77994640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57349}}^1$

素因数の和:57379

約数の個数: 40

約数和(自身を含む): 192007800

約数和(自身を除く): 114013160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57349, 114698, 229396, 286745, 458792, 573490, 917584, 974933, 1146980, 1949866, 2293960, 3899732, 4587920, 4874665, 7799464, 9749330, 15598928, 19498660, 38997320, 77994640]

約数ペア:

[(1, 77994640), (2, 38997320), (4, 19498660), (5, 15598928), (8, 9749330), (10, 7799464), (16, 4874665), (17, 4587920), (20, 3899732), (34, 2293960), (40, 1949866), (68, 1146980), (80, 974933), (85, 917584), (136, 573490), (170, 458792), (272, 286745), (340, 229396), (680, 114698), (1360, 57349)]